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olga nikolaevna [1]
3 years ago
7

Evaluate the expression

Mathematics
2 answers:
ohaa [14]3 years ago
7 0

Answer:

  10

Step-by-step explanation:

\dfrac{5\cdot x^3}{x^2}=5x

For x=2, this is ...

  5·2 = 10

Nesterboy [21]3 years ago
5 0

Answer:

10.

Step-by-step explanation:

We have been given an expression \frac{5\cdot x^3}{x^2}. We are asked to evaluate our expression for x=2.

To evaluate our expression, we will substitute x=2 in our given expression.

\frac{5\cdot 2^3}{2^2}

Using exponent rule \frac{a^m}{a^n}=a^{m-n}, we will get:

5\cdot 2^{3-2}

5\cdot 2^{1}

5\cdot 2

10

Therefore, the value of our given expression is 10.

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Find the length of AB, given that DB is a median of the triangle and AC = 44.
pychu [463]

The length of the AB is 22 units if the length of AC is 44 units and DB is the median of the triangle.

<h3>What is the triangle?</h3>

The triangle can be defined as a three-sided polygon in geometry, and it consists of three vertices and three edges. The sum of all the angles inside the triangle is 180°.

The figure is missing.

The figure is attached to the picture, please refer to the picture.

We have a triangle shown in the picture.

As we know, the median bisects the side length into two equal parts.

AB = AC/2

AC = 44 units

AB = 44/2

AB = 22 units

Thus, the length of the AB is 22 units if the length of AC is 44 units and DB is the median of the triangle.

Learn more about the triangle here:

brainly.com/question/25813512

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6 0
1 year ago
Find all real solutions to w^2-10w+1 <br> In simplest form
Anvisha [2.4K]

Answer:

you can solve it using quadratic formula

w=5-2 √6 or w=5+ 2√6

6 0
3 years ago
Given rectangular prism ABCD.
Lana71 [14]
B and d are tge answers
4 0
3 years ago
Read 2 more answers
I need help with this question
pentagon [3]

Answer:

y = -3x + 8

Step-by-step explanation:

You have to find the slope first using the formula \frac{y_{2}-y_{1} }{x_{2}-x_{1}}

Insert any two points in the equation (1,5) and (2,2) and you get -3.

Then, you do any x value times the slope (1*-3 = -3) and add so that it equals the corresponding y value (8).

This makes it y = -3x + 8.

7 0
3 years ago
What is the standard form equation of the line shown below? Graph of a line going through negative 2, 3 and 1, negative 3
V125BC [204]

Answer:

3. 2x + y = −1

Step-by-step explanation:

To find the equation of the line, we write it first in the slope-intercept form:

y=mx+q

where

m is the slope

q is the y-intercept

From the graph, we see that the line crosses the y-axis at y = -1, so the y-intercept is -1:

q=-1

Now we have to find the slope, by calculating the rate of change of the line through 2 points:

m=\frac{y_2-y_1}{x_2-x_1}

Taking the two points at (-2,3) and (1,-3), we find:

m=\frac{-3-3}{1-(-2)}=\frac{-6}{3}=-2

So the equation of the line is

y=-2x-1

Now we have to re-arrange it in the standard form, so in the form

ax+bx=c

where a, b and c are integer numbers.

To do that, we simply add +2x on both sides of the equation of the line in the slope-intercept form, and we get:

y+2x=-1

So, option 3).

6 0
3 years ago
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